This page provides some details on how to get V-Ray up and running.
The V-Ray installer for Maya is pretty straightforward and easy to follow and can be downloaded from the V-Ray | Maya Downloads section of the Chaos Group website (please make sure you use your login credentials to ensure access to the download links). It's recommended that before installing V-Ray, to make sure your computer meets the System Requirements for running Maya with V-Ray. If you would like a step-by-step guide, please check out the Installation of V-Ray for Maya page. If you run into any problems like installing V-Ray, please check out the Troubleshooting page.
Once V-Ray is installed you will want to make sure that your V-Ray license is properly configured. The Set Up Your V-Ray License page includes everything you need to get V-Ray licensed and running properly. If you need more help on configuring your set up as aor Distributed Rendering, please check the appropriate pages.
In order to use V-Ray, you must first enable it in the Plug-in Manager. You can do this by going to Window > Settings/Preferences > Plug-in Manager and clicking the Loaded checkbox to load it manually. If you want V-Ray to be automatically loaded every time Maya starts you should check the Auto load box.
In order to use V-Ray, you must first select it as your current renderer. You can do that by completing the following steps: